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Publication numberUSD243513 S
Publication typeGrant
Application numberUS 05/657,709
Publication dateMar 1, 1977
Filing dateFeb 12, 1976
Publication number05657709, 657709, US D243513 S, US D243513S, US-S-D243513, USD243513 S, USD243513S
InventorsAaron A. Galvin, Francis R. Keeler
Original AssigneeAmerican District Telegraph Company
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Intrusion alarm
US D243513 S
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  1. The ornamental design for an intrusion alarm, as shown.

FIG. 1 is a pictorial view of the intrusion alarm embodying the novel design;

FIG. 2 is a front elevation view of the intrusion alarm of FIG. 1;

FIG. 3 is a side elevation view of the intrusion alarm of FIG. 1;

FIG. 4 is a top view of the intrusion alarm of FIG. 1; and

FIG. 5 is a rear elevation view of the intrusion alarm of FIG. 1.

Non-Patent Citations
1electronic Technician/Dealer, Aug. 1968, p. 82, intrusion alarm shown.
2Sweets Architectural Catalog, vol. 12, 1972, Section 16.12Ae, p. 2, top of page.
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US7480208May 27, 2005Jan 20, 2009Hubbell IncorporatedOccupancy sensor assembly
US8456318Dec 15, 2008Jun 4, 2013Hubbell IncorporatedOccupancy sensor assembly
U.S. ClassificationD10/106.1